TR 78 over Big Creek
FairCrawford County, Illinois · 3 MI SE Oblong · Structure no. 017375000000000
- Built
- 2006
- 19 years old
- Condition
- Fair
- inspected February 2021
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 90 ft
- 3 main spans
- Daily traffic
- 50
- 2020 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 78 over Big Creek is a prestressed concrete box beam or girders - multiple carrying TR 78 over Big Creek in Crawford County, Illinois. It was built in 2006, so it is 19 years old, younger than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 50 vehicles a day, roughly 2% of them trucks, projected to reach 51 by 2046. The structure is 90 ft (27.4 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR 78 over Big Creek built?
It was built in 2006, making it 19 years old in 2025.
What condition is TR 78 over Big Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2021.
How much traffic does TR 78 over Big Creek carry?
About 50 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is TR 78 over Big Creek?
The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.
Who owns TR 78 over Big Creek?
It is owned by the Town or Township Highway Agency.